Summary:
Plymouth, Massachusetts has two public high schools serving grades 9–12 — Plymouth North High and Plymouth South High — with a combined enrollment of 2,170 students. Both belong to the Plymouth district, which is rated 2 stars and ranks 182 of 351 statewide (48th percentile).
Plymouth North High is the academic standout, enrolling 1,169 students. It ranks 174 of 353 (51st percentile, 3 stars) in 2025–2026, up from the 30th percentile and 2 stars in 2023–2024 — a 21-point percentile gain. It beats Plymouth South High in every listed MCAS subject, including a 13.51-point ELA gap, and tops the district in all test areas. Its 10th-grade ELA score of 56.31% proficient is above the district (47.88%) and state (45.48%), though its math, science, and biology scores remain below state averages.
Plymouth South High enrolls 1,001 students and is the completion standout: a 97.2% graduation rate and 2.4% dropout rate in 2024–2025, versus 91.7% and 6.9% at Plymouth North, plus a lower student-teacher ratio (10.1 vs. 11.1). Its rank also improved, from the 28th to 36th percentile (1 star to 2 stars), but it trails the district and state in every listed test. Both schools saw 10th-grade science proficiency decline (Plymouth North 37.96% to 32.86%; Plymouth South 34.50% to 28.76%) while ELA improved. Note that Plymouth North spends $21,849 per student versus Plymouth South's $17,072 (2020–2021 data), and free/reduced-lunch figures are not reported, so economic context cannot be compared.
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